Question

Mi abuelo __________ Fernando. le llamo le llama se llama se llamo

Answer 1

The correct answer is:  [C]:  "se llama" .
______________________________________________________
Note:  The Spanish verb is "llamarse" ; a "reflexive verb" ; that means, literally, 
"to call oneself" .
_______________________________________________________
The subject is "Mi abuelo" — which is Spanish for:  "My grandfather" ; which takes the "third person, singular" subject.

As such, the correct answer is:  [C]:  "se llama" .
______________________________________________
      "Mi abuelo    se llama    Fernando." 
______________________________________________
  (which, literally, translates to:  "My grandfather calls himself "Fernando" . ;

or, for practical purposes:  "My grandfather's name is "Fernando".
_______________________________________________

Answer 2

It's se llama.................